Home / 14,831.80-20,467.69-8,117.35

Finding the Fourth Proportional to 14,831.80, 20,467.69 and 8,117.35

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Solution

The fourth proportional to 14,831.80, 20,467.69 and 8,117.35 is: 11,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.80 : 20,467.69 = 8,117.35 : x
  2. Step 2: Convert to fraction form
    14,831.80/20,467.69 = 8,117.35/x
  3. Step 3: Cross multiply
    14,831.80x = 20,467.69 × 8,117.35
  4. Step 4: Simplify right side
    14,831.80x = 166,143,403.42
  5. Step 5: Solve for x
    x = 166,143,403.42/14,831.80
  6. Step 6: Final answer
    x = 11,201.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.